Property and Equipment

3 Months Ended

Mar. 31, 2019

Property Plant And Equipment [Abstract]

Property and Equipment

(4) Property and Equipment

Property and equipment consist of the following (in thousands):

	Estimated Life	March 31, 2019			December 31, 2018
Computer equipment	3 years	$	65		$	65
Lab equipment	5 years		142			142
Furniture and fixtures	5 years		62			62
Computer software	3 years		70			70
Leasehold improvements	Lesser of useful life or life of the lease		59			59
			398			398
Accumulated depreciation and amortization			(379	)		(374	)
Property and equipment, net		$	19		$	24

For the three months ended March 31, 2019 and 2018, depreciation and amortization expense was $5,000 and $6,000, respectively.